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I have provided control_43_p_r for path actuator. Why we provide this controller for path actuator? What is the significance ? I need to understand why we provide this controller only.
If there is another controller in Opensim and which gives me good result then please suggest me.
Please help
Thanks.

What does "control_43_p_r" mean? Could you provide a link or reference?

Respected Sir ,
When we provide path actuator to the model then we provide actuator constraints to the model. Here I have provided control_43p_r means actuator actuation start at 43% of the gait cycle. But I don't know why I provided actuator actuation at 43% of the gait cycle.
How and on what basis should I provide controller?
How I confirm to provide actuator control or actuation at 43% or something else? What is the reason to provide controller at particular % of gait cycle.
Please Help.
Thanks

Please see this paper: Malcolm et al., 2013, "A Simple Exoskeleton That Assists Plantarflexion Can Reduce the Metabolic Cost of Human Walking". https://doi.org/10.1371/journal.pone.0056137